MDL-47494 ddmarker: NOBUG change in dependency code for qtypes

question/type/ddmarker/questiontype.php

@@ -83,10 +83,6 @@ class question_hint_ddmarker extends question_hint_with_parts {
  */
 class qtype_ddmarker extends qtype_ddtoimage_base {
 
-    public function requires_qtypes() {
-        return array_merge(parent::requires_qtypes(), array('ddimageortext'));
-    }
-
     public function save_question_options($formdata) {
         global $DB, $USER;
         $context = $formdata->context;

question/type/ddmarker/version.php

@@ -27,3 +27,7 @@ defined('MOODLE_INTERNAL') || die();
 
 $plugin->version  = 2011051200;
 $plugin->requires = 2011051212;
+$plugin->dependencies = array(
+    'qtype_gapselect' => 2011020100,
+    'qtype_ddimageortext' => 2011020100,
+);